Available 24/7 at contact@steel-grades.com

Description

UK B.S. BS 6323-8, LW20 Specialsteel Specification for seamless and welded steel tubes for automobile , mechanical and general engineering purposes. Specific requirements for longitudinally welded stainless steel tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: LW20
Category Class Grade Standard Country Application
Steel GradesSpecialsteel LW20 B.S. UK Specification for seamless and welded steel tubes for automobile , mechanical and general engineering purposes. Specific requirements for longitudinally welded stainless steel tubes

Chemical composition(mass fraction)(wt.%) of the LW20

C Si Mn P S Cr Ni Mo
≤0.03 ≤1.00 ≤2.00 ≤0.045 ≤0.030 17.00 -19.00 9.00 -12.00 ≤ ≥

Mechanical Properties of steel grade LW20

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
539 (≥) 914 (≥) 14 24 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade LW20

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
24 - -     0.34 -  
763 711 - 32.3 342   -  
363 - 33 42.2   112 334

Heat Treatment of steel grade LW20

Heat treated : 1314°C - 1751°C

Technological Curves of steel grade LW20

Cross Reference Table (Equivalent Grade) of LW20

Grade Standard Country Application
304S11
304S11
304S11
304S11

Relevant standard of LW20

BS 6323-8 Specification for seamless and welded steel tubes for automobile , mechanical and general engineering purposes. Specific requirements for longitudinally welded stainless steel tubes BS-6323-8.pdf

Available Suppliers

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com
  • Do you supply this LW20?
  • List your company on S&G now? Join
  • Non-paying users only
Top